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Machine Learning Systems Research Engineer, Agent Post-training - Enterprise GenAI

San Francisco, CA💼 Full-time💰 $264,800–$264,800🗓 2026-07-09 → 2026-07-31

Core

Building post-training algorithms and optimizing ML systems for next-gen agent RL training platforms to serve enterprise clients.

Role type

Senior IC machine learning systems research engineer (agent post-training)

Builds

Next-gen agent training algorithms, multi-agent/multi-tool rollouts, and optimized training/inference frameworks for enterprise GenAI.

Domain

Generative AI, Large Language Models (LLMs), Reinforcement Learning (RL), Enterprise AI

Deliverable

production ML models

Required skills

LLM training in production, post-training methods (RLHF/RLVR, PPO/GRPO), multi-node LLM training and inference, GPU cluster architecture, CUDA, PyTorch, transformers, flash attention

Preferred skills

System optimization, cross-functional collaboration

Technologies

CUDA, PyTorch, transformers, flash attention

Responsibilities

Build, profile, and optimize training and inference frameworks; Post-train state-of-the-art models to define stable recipes; Collaborate with ML teams to accelerate R&D; Create next-gen agent training algorithms for multi-agent/multi-tool rollouts.

Seniority

Senior, hands-on IC

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